Where does “cougheth” come from?

cougheth (English) comes from English cough, from Middle English coughen, from Old English cohhian, from Proto-Germanic kuh- — to cough.

cougheth (English): third-person singular simple present indicative...

Definitions

  1. third-person singular simple present indicative...

Ancestry of “cougheth”, step by step

cougheth traces back through two separate lines of ancestry.

via English cough

StepLanguageWordMeaning
1EnglishcoughTo push air from the lungs in a quick, noisy...
2Middle Englishcoughento cough
3Old Englishcohhianto cough
4Proto-Germanickuh-to cough

via English eth

StepLanguageWordMeaning
1EnglishethA letter introduced into Old English to...
Every word from Proto-Germanic kuh-Every word from Old English cohhianEvery word from Middle English coughen